The headline that most aptly signals that the key concern of the news source is to maintain credibility as it presents the information factually and objectively without including any kind of descriptive words that might display author's opinions or beliefs. It <u>presents the information with necessary formality that hints the readers that the news source offers facts without any bias and primarily aims to establish credibility</u> among its audience. The other options either lack formality or objectivity in its approach. Thus, <u>option C</u> is the correct answer.
